/// <summary>
/// 获取加密TOKEN
/// </summary>
/// <returns></returns>
public string ToCipherToken()
{
Encoding utf8 = Encoding.UTF8;
TimeStamp stamp = this.Expire_Time;
string plainText = string.Format("{0}|{1}|{2}|{3}|{4}", (int)stamp.Seconds, this.UserId, this.UserCode,
this.AppId.ToString().PadLeft(5, '0'), this.Verifiable ? 1 : 0);
var des = new DesEncodeDecode(SECRET, System.Security.Cryptography.CipherMode.ECB, System.Security.Cryptography.PaddingMode.PKCS7, true, utf8);
byte[] input = utf8.GetBytes(plainText);
byte[] output = des.DesEncrypt(input);
string base58 = Base58.Encode(output);
return(base58);
}
public override ThirdpartyUserToken GetUserToken(HttpContext ctx)
{
string cipher_openid = ctx.Request.Query["openid"];
string cipher_token = ctx.Request.Query["token"];
DesEncodeDecode des = new DesEncodeDecode(this.Config.Secret);
byte[] bytes_openid = des.DesEncrypt(Base58.Decode(cipher_openid));
byte[] bytes_token = des.DesEncrypt(Base58.Decode(cipher_token));
ThirdpartyUserToken ut = new ThirdpartyUserToken
{
AccessToken = Encoding.UTF8.GetString(bytes_token),
OpenID = Encoding.UTF8.GetString(bytes_openid)
};
return(ut);
}
/// <summary>
/// Des解密
/// </summary>
/// <param name="cipherText"></param>
/// <param name="key"></param>
/// <param name="plainText"></param>
/// <returns></returns>
public static bool DesDecrypt(string cipherText, string key, out string plainText)
{
Encoding utf8 = Encoding.UTF8;
try
{
DesEncodeDecode des = new DesEncodeDecode(key,
System.Security.Cryptography.CipherMode.ECB,
System.Security.Cryptography.PaddingMode.PKCS7,
true, utf8);
byte[] input = Base58.Decode(cipherText);
byte[] output = des.DesDecrypt(input);
plainText = utf8.GetString(output);
return(true);
}
catch (Exception ex)
{
plainText = ex.Message;
return(false);
}
}
/// <summary>
/// 从TOKEN中解密数据
/// </summary>
/// <param name="cipherToken"></param>
/// <returns></returns>
public static UserToken FromCipherToken(string cipherToken)
{
byte[] input = Base58.Decode(cipherToken);
var des = new DesEncodeDecode(SECRET, System.Security.Cryptography.CipherMode.ECB, System.Security.Cryptography.PaddingMode.PKCS7, true);
byte[] output = des.DesDecrypt(input);
string plainText = Encoding.UTF8.GetString(output);
string[] array = plainText.Split('|');
int seconds;
int user_id, appid;
if (!int.TryParse(array[0], out seconds))
{
return(null);
}
TimeStamp timestamp = seconds;
if (!int.TryParse(array[1], out user_id))
{
return(null);
}
if (!int.TryParse(array[3], out appid))
{
return(null);
}
UserToken userToken = new UserToken
{
Expire_Time = timestamp.LocalDate,
UserCode = array[2],
UserId = user_id,
AppId = appid,
Verifiable = (array.Length > 3) ? (array[3] == "1") : false
};
return(userToken);
}
public static bool DesEncrypt(string plainText, string key, out string cipherText)
{
Encoding utf8 = Encoding.UTF8;
try
{
DesEncodeDecode des = new DesEncodeDecode(key,
System.Security.Cryptography.CipherMode.ECB,
System.Security.Cryptography.PaddingMode.PKCS7,
true, utf8);
byte[] input = utf8.GetBytes(plainText);
//var base64 = des.DesEncrypt(plainText);
//var bytes = Convert.FromBase64String(base64);
//cipherText = bytes.Byte2HexString();
byte[] output = des.DesEncrypt(input);
cipherText = Base58.Encode(output);
return(true);
}
catch (Exception ex)
{
cipherText = ex.Message;
return(false);
}
}
